Beat the Blerch

This edition has finished
SEP
12
2026
Experience a flat out and back course through mossy evergreen forests along the Snoqualmie valley trail. Choose from four different distances starting at Tolt MacDonald Park in the town of Carnation.
Sat 12 Sep 2026
26 miles 13 miles 10 kilometers 3 miles

Always double-check with the organizer's website! This page may contain affiliate links.

Event Overview

The Beat the Blerch running event takes place in Carnation, Washington, situated approximately 35 minutes outside of Seattle. This event features four different race distances:

  • 5K (3.1 miles)
  • 10K
  • Half Marathon (13.1 miles)
  • Marathon (26.2 miles)

Course Details

Participants run along the Snoqualmie valley trail, starting at King County's Tolt-MacDonald Park. The course is flat and follows an out-and-back format. The route passes through evergreen and mossy forests, providing a natural setting for the race. Near the starting area, there are local strawberry farms and pumpkin patches that provide guided tours.

The event was inspired by a comic about running created by The Oatmeal. Registration for the various distances is open to the public with staggered entry fees based on the selected distance. Visit the organization's website for the most recent information.

Events nearby

Season finale at Grand Ridge Park near Issaquah with 5 mile, half marathon, marathon, 50K and a kids race on forested, technical trails.
Trail running at Carkeek Park in Seattle with 5k and 10k forest courses featuring varied trail widths and rolling to steep sections. The 10k is two laps of the 5k and includes substantial climb.
Trail races at Squak Mountain in Issaquah with 10k, half and 26.2 mile options, aid stations every 3 miles, long sleeve technical T shirt and finisher medal included.
Trail races at Ravenna Park on November 21, 2026 with 4k, 8k and 12k options on a 4.1 km forest loop featuring moderate climbs and an aid station offering water and snacks.
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